*{
    padding: 0;
    margin: 0;
}
li{
    list-style: none;
}
a{
    text-decoration: none;
}
.clear{
    clear: both;
}
body{
    background-color: rgb(138, 131, 131);
    /* height: 3000px; */
}
.w{
    width: 1200px;
    margin: auto;
}
.header{
    height: 42px;
    /* background-color: pink; */
    margin: 30px auto;
}
.logo{
    float: left;
    height: 42px;
    width: 198px;
    /* background-color: aqua; */
}

.nav{
    float: left;
    margin-left: 60px;
}

.nav ul li{
    float: left;
    margin: 0 15px;
}
.nav ul li a{
    display: block;
    height: 42px;
    padding: 0 10px;
    font-size: 18px;
    line-height: 42px;
    color: #050505;
}
.nav ul li a:hover{
    border-bottom: 2px solid #00a4ff;
    color: #00a4ff;
}
.search{
    float: left;
    width: 412px;
    height: 42px;
    /* background-color: bisq  ue; */
    margin-left: 60px;
}
.search input{
    float: left;
    width: 345px;
    height: 40px;
    border: 1px solid #00a4ff;
    border-right: none;
    color: #bfbfbf;
    padding-left: 15px;
}
.search button{
    float: left;
    background-color: aquamarine;
    height: 42px;
    width: 50px;
    border: 0;
    background-image: url(image/fa-search.png);
}
.user{
     float:right;
     line-height: 42px;
     margin-right: 30px;
     font-size: 14px;
     color: #666;
}
/* 身体 */
.banner{
    height: 421px;
    background-color: #1c036c;
}
.banner .w{
    height: 421px;
    /* background-color: #666; */
    background: url(image/banner2.png) no-repeat top center;
}
.subnav{
    float: left;
    width: 190px;
    height: 421px;
    background:rgba(0, 0, 0, .3)
}
.subnav ul li{
    height: 45px;
    line-height: 45px;
    padding: 0 20px;
}
.subnav ul li a{
    font-size: 14px;
    color: #fff;
}
.subnav ul li a span{
    float: right;
}
.subnav ul li a:hover{
    color: #00a4ff;
}
.course{
    float: right;
    width: 230px;
    height: 300px;
    background-color: white;
    margin-top: 50px;
}
.course h2{
    height: 48px;
    background-color: #9bceea;
    text-align: center;
    line-height: 48px;
    font-size: 18px;
    color: #fff;
}

.bd{
    padding: 0 20px;
}
.bd ul li{
    padding: 14px 0;
    border-bottom: 1px solid #ccc;
}
.bd ul li h4{
    font-size: 16px;
    color: #4e4e4e;
}
.bd ul li p{
    font-size: 12px;
    color: #a5a5a5;
}
.bd .more{
    display: block;
    height: 38px;
    border: 1px solid #00a4ff;
    margin-top: 5px;
    text-align: center;
    line-height: 38px;
    color: #00a4ff;
    font-size: 16px;
    font-weight: 700;
}

.goods{
    background-color: #fff;
    box-shadow: 0 2px 3px 3px rgba(0, 0, 0, .3);
    height: 60px;
    margin-top: 10px;
    line-height: 60px;
}
.goods h3{
    float: left;
    margin-left: 30px;
    font-size: 16px;
    color: #00a4ff;
}
.goods ul{
    float: left;
    margin-left: 30px;
}
.goods ul li a{
    /* float: left; */
    padding: 0 30px;
    font-size: 16px;
    color: #050505;
    border-left: 1px solid #ccc;
}
.goods .mod{
    float: right;
    margin-right: 30px;
    color: #00a4ff;
}

.box{
    margin-top: 30px;
}
.box_hd{
    height: 45px;
}
.box h3{
    float: left;
    font-size: 20px;
    color: #494949;
}
.box a{
    float: right;
    font-size: 12px;
    color: #a5a5a5;
    margin-top: 10px;
    margin-right: 30px;
}
.box_bd ul{
    width: 1225px;
}
.box_bd ul li{
    float: left;
    width: 228px;
    height: 270px;
    background-color: #fff;
    margin-right: 15px;
    margin-bottom: 15px;
}
.box_bd ul li{
    position: relative;
}
.box_bd ul li em{
    position: absolute;
    right: -4px;
    top: 4px;
}
.box_bd ul li >img{
    width: 100%;
}
.box_bd ul li h4{
    margin: 20px 20px 20px 25px;
    font-size: 14px;
    color: #050505;
    font-weight: 400;
}
.info{
    margin: 0 20px 0 25px;
    font-size: 12px;
    color: #999;
}
.info span{
    color: orange;
}
.foot{
    height: 415px;
    background-color: white;
}
.foot .w{
    padding: 35px;

}
.copyright{
    float: left;
}
.copyright p{
    font-size: 12px;
    color: #666;
    margin: 20px 0 15px 0;
}
.copyright a{
    display: block;
    width: 118px;
    height: 33px;
    border: 1px solid #00a4ff;
    text-align: center;
    line-height: 33px;
    font-size: 16px;
    color: #00a4ff;
}
.link{
    float: right;

}
.link dl{
    float: left;
    margin-left: 100px;
}
.link dl dt{
    font-size: 16px;
    color: #333;
    margin-bottom: 5px;
}
.link dl dd a{
    font-size: 12px;
    color: #333;
}
.link dl dd a:hover{
    color: #00a4ff;
}
.flag{
    width: 150px;
    height: 150px;
    position: fixed;
    /* position: sticky; */
    top: 200px;
    left: 0;
}
.flag em {
    width: 150px;
    height: 150px;
    position: fixed;
    /* position: sticky; */

    top: 200px;
    right: 0;
}
.flag img{
    width: 100%;
}